package jvm;

public class TestTransferValue {
    public void changeValue1(int age){
        age = 30;
    }
    public void changeValue2(Person person){
        person.setPersonName("xxx");
    }

    public void changeValue3(String str){
        str = "xxx";
    }

    public static void main(String args[]){
        TestTransferValue test = new TestTransferValue();

        //基本类型传复印件
        int age = 20;
        test.changeValue1(age);
        System.out.println("age-------" + age);

        Person person = new Person("abc");
        test.changeValue2(person);
        System.out.println("personName------" + person.getPersonName());

        String str = "abc";
        test.changeValue3(str);
        System.out.println("string-----" + str);

    }
}
